Netgear RP614 v2 User manual

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SM-RP614NA-2
Version 4.12
February 2003
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Reference Manual for the
Model RP614 v2 Web
Safe Router
ii
© 2002 by NETGEAR, Inc. All rights reserved.
Trademarks
NETGEAR is a trademark of Netgear, Inc.
Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
Other brand and product names are registered trademarks or trademarks of their respective holders.
Statement of Conditions
In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to
make changes to the products described in this document without notice.
NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit
layout(s) described herein.
Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
EN 55 022 Declaration of Conformance
This is to certify that the Model RP614 v2 Web Safe Router is shielded against the generation of radio interference in
accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application
of EN 55 022 Class B (CISPR 22).
iii
Bestätigung des Herstellers/Importeurs
Es wird hiermit bestätigt, daß das Model RP614 v2 Web Safe Router gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg
46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. Testsender) kann
jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung.
Das Bundesamt für Zulassungen in der Telekommunikation wurde davon unterrichtet, daß dieses Gerät auf den Markt
gebracht wurde und es ist berechtigt, die Serie auf die Erfüllung der Vorschriften hin zu überprüfen.
Certificate of the Manufacturer/Importer
It is hereby certified that the Model RP614 v2 Web Safe Router has been suppressed in accordance with the conditions
set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test
transmitters) in accordance with the regulations may, however, be subject to certain restrictions. Please refer to the notes
in the operating instructions.
Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market
and has been granted the right to test the series for compliance with the regulations.
Voluntary Control Council for Interference (VCCI) Statement
This equipment is in the second category (information equipment to be used in a residential area or an adjacent area
thereto) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing
Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas.
When used near a radio or TV receiver, it may become the cause of radio interference.
Read instructions for correct handling.
Customer Support
Refer to the Support Information Card that shipped with your Model RP614 v2 Web Safe Router.
World Wide Web
NETGEAR maintains a World Wide Web home page that you can access at the universal resource locator (URL)
http://www.netgear.com. A direct connection to the Internet and a Web browser such as Internet Explorer
or Netscape are required.
iv
Contents v
Contents
Preface
About This Manual
Chapter 1
Introduction
Key Features of the Router ............................................................................................1-1
A Powerful, True Firewall with Content Filtering ......................................................1-2
Security ....................................................................................................................1-2
Autosensing Ethernet Connections with Auto Uplink™ ...........................................1-3
Extensive Protocol Support ......................................................................................1-3
Easy Installation and Management ..........................................................................1-4
Maintenance and Support ........................................................................................1-4
Package Contents ..........................................................................................................1-4
The Router’s Front Panel .........................................................................................1-5
The Router’s Rear Panel .........................................................................................1-6
Chapter 2
Connecting the Router to the Internet
What You Will Need Before You Begin ...........................................................................2-1
Cabling and Computer Hardware Requirements .....................................................2-1
Computer Network Configuration Requirements .....................................................2-1
Internet Configuration Requirements .......................................................................2-2
Where Do I Get the Internet Configuration Parameters? .........................................2-2
Worksheet to Record Your Internet Connection Information ....................................2-3
Connecting the Model RP614 v2 Web Safe Router .......................................................2-4
PPPoE Wizard-Detected Option ..............................................................................2-8
AOL Wizard-Detected Options .................................................................................2-9
Telstra Bigpond Cable Wizard-Detected Option .....................................................2-13
Dynamic IP Wizard-Detected Option .....................................................................2-14
Fixed IP Account Wizard-Detected Option .............................................................2-15
Manually Configuring Your Internet Connection ...........................................................2-16
vi Contents
Chapter 3
Content Filtering
Content Filtering Overview .............................................................................................3-1
Blocking Access to Internet Sites ...................................................................................3-2
Blocking Access to Internet Services .............................................................................3-3
Configuring a User Defined Service .........................................................................3-4
Configuring Services Blocking by IP Address Range ..............................................3-5
Scheduling When Blocking Will Be Enforced .................................................................3-5
Stateful Packet Inspection (SPI), Java, ActiveX, and Cookies Blocking Options ...........3-6
Using SPI .................................................................................................................3-6
Using Java, ActiveX, and cookies Filtering. .............................................................3-7
Viewing Logs of Web Access or Attempted Web Access ...............................................3-7
Configuring E-Mail Alert and Web Access Log Notifications ..........................................3-9
Chapter 4
Maintenance
Viewing Router Status Information .................................................................................4-1
Viewing a List of Attached Devices .................................................................................4-5
Upgrading the Router Software ......................................................................................4-5
Configuration File Management .....................................................................................4-6
Restoring and Backing Up the Configuration ...........................................................4-7
Erasing the Configuration .........................................................................................4-8
Changing the Configuration Password ...........................................................................4-8
Chapter 5
Advanced Configuration of the Router
Configuring for Port Forwarding to Local Servers ..........................................................5-1
Adding a Custom Service .........................................................................................5-2
Editing or Deleting a Port Forwarding Entry .............................................................5-3
Local Web and FTP Server Example .......................................................................5-3
Multiple Computers for Half Life, KALI or Quake III Example ..................................5-3
Configuring the WAN Setup Options ..............................................................................5-4
Setting Up a Default DMZ Server .............................................................................5-4
Respond to Ping on Internet WAN Port ...................................................................5-5
Setting the MTU Size ...............................................................................................5-6
Using the LAN IP Setup Options ....................................................................................5-6
Configuring LAN TCP/IP Setup Parameters ............................................................5-7
Contents vii
Using the Router as a DHCP server ........................................................................5-8
Using Address Reservation ......................................................................................5-9
Using a Dynamic DNS Service .......................................................................................5-9
Configuring Static Routes .............................................................................................5-10
Enabling Remote Management Access .......................................................................5-13
Using Universal Plug and Play (UPnP) ........................................................................5-14
Chapter 6
Troubleshooting
Basic Functioning ...........................................................................................................6-1
Power LED Not On ...................................................................................................6-1
Test LED Never Turns On or Test LED Stays On .....................................................6-2
LAN or WAN Port LEDs Not On ...............................................................................6-2
Troubleshooting the Web Configuration Interface ..........................................................6-3
Troubleshooting the ISP Connection ..............................................................................6-4
Troubleshooting a TCP/IP Network Using a Ping Utility .................................................6-5
Testing the LAN Path to Your Router .......................................................................6-5
Testing the Path from Your PC to a Remote Device ................................................6-6
Restoring the Default Configuration and Password ........................................................6-7
Problems with Date and Time .........................................................................................6-7
Appendix A
Technical Specifications
Specifications for the Model RP614 v2 .......................................................................... A-1
Appendix B
Networks, Routing, and Firewall Basics
Related Publications ...................................................................................................... B-1
Basic Router Concepts .................................................................................................. B-1
What is a Router? ................................................................................................... B-2
Routing Information Protocol ................................................................................... B-2
IP Addresses and the Internet ................................................................................. B-2
Netmask .................................................................................................................. B-4
Subnet Addressing .................................................................................................. B-5
Private IP Addresses ............................................................................................... B-7
Single IP Address Operation Using NAT ................................................................. B-8
MAC Addresses and Address Resolution Protocol ................................................. B-9
Related Documents ............................................................................................... B-10
viii Contents
Domain Name Server ............................................................................................ B-10
IP Configuration by DHCP .....................................................................................B-11
Internet Security and Firewalls .....................................................................................B-11
What is a Firewall? .................................................................................................B-11
Stateful Packet Inspection ..................................................................................... B-12
Denial of Service Attack ........................................................................................ B-12
Ethernet Cabling .......................................................................................................... B-13
Uplink Switches and Crossover Cables ................................................................ B-13
Cable Quality ......................................................................................................... B-14
Appendix C
Preparing Your Network
Preparing Your Computers for TCP/IP Networking .......................................................C-1
Configuring Windows 95, 98, and Me for TCP/IP Networking .......................................C-2
Install or Verify Windows Networking Components .................................................C-2
Enabling DHCP to Automatically Configure TCP/IP Settings .................................C-4
Selecting Windows’ Internet Access Method ..........................................................C-6
Verifying TCP/IP Properties ....................................................................................C-6
Configuring Windows NT4, 2000 or XP for IP Networking ............................................C-7
Configuring the Macintosh for TCP/IP Networking ......................................................C-15
Verifying the Readiness of Your Internet Account .......................................................C-18
Are Login Protocols Used? ...................................................................................C-18
What Is Your Configuration Information? ..............................................................C-18
Obtaining ISP Configuration Information for Windows Computers .......................C-19
Obtaining ISP Configuration Information for Macintosh Computers .....................C-20
Restarting the Network ................................................................................................C-21
Glossary
Index
About This Manual xi
Preface
About This Manual
Congratulations on your purchase of the NETGEAR
®
Model RP614 v2 Web Safe Router.
The RP614 v2 router provides connection for multiple personal computers (PCs) to the Internet
through an external broadband access device (such as a cable modem or DSL modem) that is
normally intended for use by a single PC.
Audience
This reference manual assumes that the reader has basic to intermediate computer and Internet
skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial
information is provided in the Appendices and on the Netgear website.
Typographical Conventions
This guide uses the following typographical conventions:
italics Media titles, UNIX files, commands, URLs, and directory names.
bold times roman User input
Internet Protocol (IP) First time an abbreviated term is used.
courier font Screen text, user-typed command-line entries.
[Enter] Named keys in text are shown enclosed in square brackets. The notation
[Enter] is used for the Enter key and the Return key.
[Ctrl]+C Two or more keys that must be pressed simultaneously are shown in text
linked with a plus (+) sign.
SMALL CAPS DOS file and directory names.
Reference Manual for the Model RP614 v2 Web Safe Router
xii About This Manual
Special Message Formats
This guide uses the following formats to highlight special messages:
Note: This format is used to highlight information of importance or special interest.
Introduction 1-1
Chapter 1
Introduction
This chapter describes the features of the NETGEAR Model RP614 v2 Web Safe Router.
Key Features of the Router
The Model RP614 v2 Web Safe Router with 4-port switch connects your local area network
(LAN) to the Internet through an external access device such as a cable modem or DSL modem.
The RP614 v2 router provides you with multiple Web content filtering options, plus browsing
activity reporting and instant alerts -- both via e-mail. Parents and network administrators can
establish restricted access policies based on time-of-day, Website addresses and address keywords,
and share high-speed cable/DSL Internet access for up to 253 personal computers. Network
Address Translation (NAT) protects you from hackers.
With minimum setup, you can install and use the router within minutes.
The RP614 v2 router provides the following features:
Easy, web-based setup for installation and management
Stateful Packet Inspection, Content Filtering, and Site Blocking Security
Built in 4-port 10/100 Mbps Switch
Ethernet connection to a wide area network
(WAN) device, such as a cable modem or DSL
modem
Extensive Protocol Support
Login capability
Front panel LEDs for easy monitoring of status and activity
Flash memory for firmware upgrade
Reference Manual for the Model RP614 v2 Web Safe Router
1-2 Introduction
A Powerful, True Firewall with Content Filtering
Unlike simple Internet sharing NAT routers, the Model RP614 v2 is a true firewall, using stateful
packet inspection to defend against hacker attacks. Its firewall features include:
Denial of Service
(DoS) protection.
Automatically detects and thwarts DoS attacks such as Ping of Death, SYN Flood, LAND
Attack, and IP Spoofing.
Blocks unwanted traffic from the Internet to your LAN.
Blocks access from your LAN to Internet locations or services that you specify as off-limits.
Logs security incidents.
The Model RP614 v2 will log security events such as blocked incoming traffic, port scans,
attacks, and administrator logins. You can configure the router to email the log to you at
specified intervals. You can also configure the router to send immediate alert messages to your
email address or email pager whenever a significant event occurs.
With its content filtering feature, the Model RP614 v2 prevents objectionable content from
reaching your PCs. The router allows you to control access to Internet content by screening for
keywords within Web addresses. You can configure the router to log and report attempts to
access objectionable Internet sites.
Security
The RP614 v2 router is equipped with several features designed to maintain security, as described
in this section.
PCs Hidden by NAT
NAT opens a temporary path to the Internet for requests originating from the local network.
Requests originating from outside the LAN are discarded, preventing users outside the LAN
from finding and directly accessing the PCs on the LAN.
Port Forwarding with NAT
Although NAT prevents Internet locations from directly accessing the PCs on the LAN, the
router allows you to direct incoming traffic to specific PCs based on the service port number
of the incoming request, or to one designated “DMZ” host computer. You can specify
forwarding of single ports or ranges of ports.
Reference Manual for the Model RP614 v2 Web Safe Router
Introduction 1-3
Autosensing Ethernet Connections with Auto Uplink™
With its internal 4-port 10/100 switch, the Model RP614 v2 can connect to either a 10 Mbps
standard Ethernet network or a 100 Mbps Fast Ethernet network. Both the LAN and WAN
interfaces are autosensing and capable of full-duplex or half-duplex operation.
The router incorporates Auto Uplink
TM
technology. Each Ethernet port will automatically sense
whether the Ethernet cable plugged into the port should have a ‘normal’ connection such as to a
PC or an ‘uplink’ connection such as to a switch or hub. That port will then configure itself to the
correct configuration. This feature also eliminates the need to worry about crossover cables, as
Auto Uplink will accommodate either type of cable to make the right connection.
Extensive Protocol Support
The RP614 v2 router supports the Transmission Control Protocol/Internet Protocol (TCP/IP) and
Routing Information Protocol
(RIP). For further information about TCP/IP, refer to Appendix B,
“Network, Routing, Firewall, and Basics.”
IP Address Sharing by NAT
The RP614 v2 router allows several networked PCs to share an Internet account using only a
single IP address, which may be statically or dynamically assigned by your Internet service
provider (ISP). This technique, known as NAT, allows the use of an inexpensive single-user
ISP account.
Automatic Configuration of Attached PCs by DHCP
The RP614 v2 router dynamically assigns network configuration information, including
IP, gateway, and domain name server
(DNS) addresses, to attached PCs on the LAN using the
Dynamic Host Configuration Protocol
(DHCP). This feature greatly simplifies configuration
of PCs on your local network.
DNS Proxy
When DHCP is enabled and no DNS addresses are specified, the router provides its own
address as a DNS server to the attached PCs. The router obtains actual DNS addresses from
the ISP during connection setup and forwards DNS requests from the LAN.
PPP over Ethernet
(PPPoE)
PPPoE is a protocol for connecting remote hosts to the Internet over a DSL connection by
simulating a dial-up connection. This feature eliminates the need to run a login program such
as Entersys or WinPOET on your PC.
Reference Manual for the Model RP614 v2 Web Safe Router
1-4 Introduction
Easy Installation and Management
You can install, configure, and operate the Model RP614 v2 Web Safe Router within minutes after
connecting it to the network. The following features simplify installation and management tasks:
Browser-based management. Browser-based configuration allows you to easily configure
your router from almost any type of personal computer, such as Windows, Macintosh, or
Linux. A user-friendly Setup Wizard is provided and online help documentation is built into
the browser-based Web Management Interface.
Smart Wizard. The RP614 v2 router automatically senses the type of Internet connection,
asking you only for the information required for your type of ISP account.
Visual monitoring. The RP614 v2 routers front panel LEDs provide an easy way to monitor
its status and activity.
Maintenance and Support
NETGEAR offers the following features to help you maximize your use of the RP614 v2 router:
Flash memory for firmware upgrade
Free technical support seven days a week, twenty-four hours a day
Package Contents
The product package should contain the following items:
Model RP614 v2 Web Safe Router.
AC power adapter.
Category 5 (CAT5) Ethernet cable.
Model RP614 v2 Resource CD, including:
This guide.
Application Notes and other helpful information.
AOL v8.0 client software.
RP614 Cable/DSL Web Safe Router Installation Guide.
Registration and Warranty Card.
Support Information Card.
If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the
carton, including the original packing materials, in case you need to return the router for repair.
Reference Manual for the Model RP614 v2 Web Safe Router
Introduction 1-5
The Routers Front Panel
The front panel of the Model RP614 v2 Web Safe Router (Figure 1-1) contains status LEDs.
Figure 1-1: RP614 Front Panel
You can use some of the LEDs to verify connections. Viewed from left to right, Table 2 describes
the LEDs on the front panel of the router. These LEDs are green when lit.
Table 2. LED Descriptions
Label Activity Description
Power
On
Off
Power is supplied to the router.
Power is not supplied to the router.
Tes t
On
Off
The system is initializing.
The system is ready and running.
Internet
On (Green)
Blink (Green)
On (Amber)
Blink (Amber)
Off
The Internet (WAN) port has detected a 100 Mbps link with an attached device.
Data is being transmitted or received by the Internet port.
The Internet (WAN) port has detected a 10 Mbps link with an attached device.
Data is being transmitted or received by the Internet port.
The Internet (WAN) port in not connected or the electric power to the device to
which it is connected is turned off.
Local
On (Green)
Blink (Green)
On (Amber)
Blink (Amber)
Off
The Local (LAN) port has detected link with a 100 Mbps device.
Data is being transmitted or received at 100 Mbps.
The Local port has detected link with a 10 Mbps device.
Data is being transmitted or received at 10 Mbps.
No link is detected on this port.
Reference Manual for the Model RP614 v2 Web Safe Router
1-6 Introduction
The Routers Rear Panel
The rear panel of the Model RP614 router (Figure Figure 1-2:) contains port connections.
Figure 1-2: RP614 Rear Panel
Viewed from left to right, the rear panel contains the following features:
Four Local (LAN) Ethernet ports for connecting the router to the local PCs
Internet (WAN) Ethernet port for connecting the router to a cable or DSL modem
Factory Default Reset push button
AC power adapter outlet
Connecting the Router to the Internet 2-1
Chapter 2
Connecting the Router to the Internet
This chapter describes how to set up the router on your local area network (LAN) and connect to
the Internet. You find out how to configure your Model RP614 v2 Web Safe Router for Internet
access using the Setup Wizard, or how to manually configure your Internet connection.
What You Will Need Before You Begin
You need to prepare these three things before you begin:
1. Have active Internet service such as that provided by an cable or DSL broadband account.
2. Locate the Internet Service Provider (ISP) configuration information for your DSL account.
3. Connect the router to a cable or DSL modem and a computer as explained below.
Cabling and Computer Hardware Requirements
To use the RP614 v2 router on your network, each computer must have an installed Ethernet
Network Interface Card (NIC) and an Ethernet cable. If the computer will connect to your network
at 100 Mbps, you must use a Category 5 (CAT5) cable such as the one provided with your router.
Computer Network Configuration Requirements
The Model RP614 v2 includes a built-in Web Configuration Manager. To access the configuration
menus on the Model RP614 v2, your must use a Java-enabled web browser program which
supports HTTP uploads such as Microsoft Internet Explorer or Netscape Navigator. NETGEAR
recommends using Internet Explorer or Netscape Navigator 4.0 or above. Free browser programs
are readily available for Windows, Macintosh, or UNIX/Linux.
Reference Manual for the Model RP614 v2 Web Safe Router
2-2 Connecting the Router to the Internet
For the initial connection to the Internet and configuration of your router, you will need to connect
a computer to the router which is set to automatically get its TCP/IP configuration from the router
via DHCP.
Note: For help with DHCP configuration, please refer to Appendix C, “Preparing Your Network”.
The cable or DSL modem broadband access device must provide a standard 10 Mbps (10BASE-T)
or 100 Mbps (100BASE-TX) Ethernet interface.
Internet Configuration Requirements
Depending on how your ISP set up your Internet account, you will need one or more of these
configuration parameters to connect your router to the Internet:
Host and Domain Names.
ISP Login Name and Password.
ISP Domain Name Server (DNS) Addresses.
Fixed IP Address which is also known as Static IP Address.
Where Do I Get the Internet Configuration Parameters?
There are several ways you can gather the required Internet connection information.
Your ISP provides all the information needed to connect to the Internet. If you cannot locate
this information, you can ask your ISP to provide it or you can try one of the options below.
If you have a computer already connected using the active Internet access account, you can
gather the configuration information from that computer.
For Windows 95/98/ME, open the Network control panel, select the TCP/IP entry for the
Ethernet adapter, and click Properties. Record all the settings for each tab page.
For Windows 2000/XP, open the Local Area Network Connection, select the TCP/IP entry
for the Ethernet adapter, and click Properties. Record all the settings for each tab page.
For Macintosh computers, open the TCP/IP or Network control panel. Record all the
settings for each section.
You may also refer to the Model RP614 v2 Resource CD for the NETGEAR Router ISP Guide
which provides Internet connection information for many ISPs.
Once you locate your Internet configuration parameters, you may want to record them on the page
below.
Reference Manual for the Model RP614 v2 Web Safe Router
Connecting the Router to the Internet 2-3
Worksheet to Record Your Internet Connection Information
Print this page. Fill in the configuration parameters from your Internet Service Provider (ISP).
ISP Login Name: The login name and password are case sensitive and must be entered exactly as
given by your ISP. For AOL customers, the login name is their primary screen name. Some ISPs
use your full e-mail address as the login name. The Service Name is not required by all ISPs. If
you connect using a login name and password, then fill in the following:
Login Name: ______________________________
Password: ____________________________
Service Name: _____________________________
Fixed or Static IP Address: If you have a static IP address, record the following information. For
example, 169.254.141.148 could be a valid IP address.
Fixed or Static Internet IP Address: ______
. ______ . ______ . ______
Gateway IP Address: ______ . ______ . ______ . ______
Subnet Mask: ______ . ______ . ______ . ______
ISP DNS Server Addresses: If you were given DNS server addresses, fill in the following:
Primary DNS Server IP Address: ______
. ______ . ______ . ______
Secondary DNS Server IP Address: ______ . ______ . ______ . ______
Host and Domain Names: Some ISPs use a specific host or domain name like CCA7324-A or
home. If you haven’t been given host or domain names, you can use the following examples as a
guide:
If your main e-mail account with your ISP is aaa@yyy.com, then use aaa as your host name.
Your ISP might call this your account, user, host, computer, or system name.
If your ISP’s mail server is mail.xxx.yyy.com, then use xxx.yyy.com as the domain name.
ISP Host Name: _________________________
ISP Domain Name: _______________________
Reference Manual for the Model RP614 v2 Web Safe Router
2-4 Connecting the Router to the Internet
Connecting the Model RP614 v2 Web Safe Router
This section provides instructions for connecting the RP614 v2 router. Also, the Model RP614 v2
Resource CD included with your router contains an animated Installation Assistant to help you
through this procedure.
Procedure: Connecting the Router
There are three steps to connecting your router:
1. Connect the router to your network
2. Log in to the router
3. Connect to the Internet
Follow the steps below to connect your router to your network. You can also refer to the Resource
CD included with your router which contains an animated Installation Assistant to help you
through this procedure.
1. Connect the router to your network.
a. Turn off your computer and Cable or DSL Modem.
b. Disconnect the Ethernet cable (A) from your computer which connects to your cable or
DSL modem.
Figure 2-1: Disconnect the cable or DSL Modem
Cable or DSL modem
A
/